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Ariana Grande perform onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Ariana Grande perform onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Florida Georgia Line perform onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Courtesy of ABC

Shakira-performs-billboard-awards-2014

Shakira performs onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Ryan Tedder performs onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Lorde attends the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Courtesy of Instagram)

Carrie-Underwood-billboard-awards-2014

Carrie Underwood speaks onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Lorde-wins-billboard-awards-2014

Lorde accepts the award for Top New Artist onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Kendall Jenner speaks onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Kevin Mazur/Billboard Awards 2014/WireImage)

_5-Seconds-of-Summer-Luke-Hemmings-billboard-awards-2014

Luke Hemmings of 5 Seconds of Summer performs onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Shakira backstage at the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Frazer Harrison/Getty Images)

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Lucy Hale (L) and recording artist Jack Antonoff of music group Fun speak onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Luke Bryan accepts the award for Top Country Artist onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

michael-jackson-billboard-awards-2014-ftr

Michael Jackson performs onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada.(Courtesy of ABC)

Courtesy of ABC

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A Michael Jackson hologram performs at the 2014 Billboard Music Awards, Las Vegas, Nevada, May 18, 2014 (Courtesy Of abc)

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A Michael Jackson hologram performs at the 2014 Billboard Music Awards, Las Vegas, Nevada, May 18, 2014 (Courtesy Of abc)

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A Michael Jackson hologram performs at the 2014 Billboard Music Awards, Las Vegas, Nevada, May 18, 2014 (Courtesy Of abc)

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A Michael Jackson hologram performs at the 2014 Billboard Music Awards, Las Vegas, Nevada, May 18, 2014 (Courtesy Of abc)

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Ricky Martin (C) performs onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Miranda Lambert (L) and Carrie Underwood perform onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Miranda Lambert (L) and Carrie Underwood perform onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Lorde-performs-billboard-awards-2014

Lorde performs onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

lorde-performance-billboards–ftr

Lorde performs onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

ABC

Robin-Thicke-billboard-awards-2014

Robin Thicke accepts the Top R&B Song award for ‘Blurred Lines’ onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

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Wiz Khalifa speaks onstage during the 2014 Billboard Music Awards at the MGM Grand Garden Arena on May 18, 2014 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)